<template>
  <section>
    <!--工具条-->
    <el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
      <el-form :inline="true">
        <el-form-item>
          <el-input v-model="keyword" placeholder="请输入名称或账号"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="warning" v-on:click="keywordQuery">查询</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="handleAdd">新增</el-button>
        </el-form-item>
      </el-form>
    </el-col>

    <!--列表v-loading="listLoading"
      :data="tableDatas" - 表格数据
      v-loading="listLoading" - 加载圈
      @selection-change="handleSelectionChange" - 选项改变触发 - 批量删除
      highlight-current-row - 当前行高亮
    -->
    <el-table :data="tableDatas" v-loading="listLoading"
              @selection-change="handleSelectionChange"
              highlight-current-row
              style="width: 100%;">
      <!--多选框-->
      <el-table-column type="selection" width="55">
      </el-table-column>
      <el-table-column type="index" width="70" label="序号">
      </el-table-column>
      <el-table-column prop="articleName" label="文章名称" width="120" show-overflow-tooltip>
      </el-table-column>
      <el-table-column label="文章封面" width="120" show-overflow-tooltip>
        <template scope="scope">
          <img :src="scope.row.articlePic" height="50">
        </template>
      </el-table-column>
      <el-table-column prop="articleTag" label="文章标签" width="120" show-overflow-tooltip>
      </el-table-column>
      <el-table-column prop="typeName" label="文章类型" width="120" show-overflow-tooltip>
      </el-table-column>
      <el-table-column label="文章状态" width="80">
        <template scope="scope">
          <span v-if="scope.row.articleState==0">草稿</span>
          <span v-else-if="scope.row.articleState==1" style="color: magenta">发布</span>
          <span v-else style="color: darkblue">弃用</span>
        </template>
      </el-table-column>
      <el-table-column label="是否置顶" width="80">
        <template scope="scope">
          <span v-if="scope.row.topState==0">不置顶</span>
          <span v-else style="color: magenta">置顶</span>
        </template>
      </el-table-column>
      <el-table-column prop="publishName" label="发布人" width="80">
      </el-table-column>
      <el-table-column prop="createTime" label="创建时间" width="100">
      </el-table-column>
      <el-table-column prop="updateTime" label="修改时间" width="100">
      </el-table-column>
      <el-table-column prop="articleReadCount" label="阅读量" width="70">
      </el-table-column>
      <el-table-column prop="articleStarNum" label="点赞数" width="70">
      </el-table-column>
      <el-table-column prop="articleCommentNum" label="评论数" width="70">
      </el-table-column>
      <el-table-column label="操作">
        <template scope="scope">
          <el-button size="small" @click="handleEdit(scope.row)">编辑</el-button>
          <el-button type="danger" size="small" @click="handleDel(scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <!--工具条-->
    <el-col :span="24" class="toolbar">
      <el-button type="danger" :disabled="this.sels.length === 0" @click="handlePatchDel">批量删除</el-button>
      <!--
        :current-page="currentPage"  - 当前页
        :total="totals" - 总条数
        :page-size="pageSize" - 每页显示的条数
        background - 背景
        @current-change="handleCurrentChange" - 当前页改变触发
        @size-change="handleSizeChange" - 每页显示条数改变的时候触发
        layout="total, sizes, prev, pager, next, jumper"
      -->
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="currentPage"
                     :page-sizes="[5, 10, 15]" :page-size="pageSize" layout="total, sizes, prev, pager, next, jumper"
                     background
                     :total="totals" style="float:right;">
      </el-pagination>
    </el-col>

    <!--添加或修改界面-->
    <!--
      :close-on-click-modal="false" - 点击屏幕关闭对话框功能关闭，点x才关闭
    -->
    <el-dialog title="保存用户" :visible.sync="saveFormVisible" :close-on-click-modal="false">
      <el-form :model="saveForm" label-width="80px" :rules="saveFormRules" ref="saveForm">
        <el-form-item label="文章名称" prop="articleName">
          <el-input v-model="saveForm.articleName" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="文章封面">
          <el-upload class="upload-demo"
                     action="http://localhost:8080/minio"
                     name="file"
                     :on-remove="handleRemove"
                     :on-success="handleSuccess"
                     :on-exceed="exceed"
                     :file-list="fileList"
                     :limit=1
                     accept=".jpg,.jpeg,.png,.gif"
                     list-type="picture">
            <el-button size="small" type="primary">点击上传</el-button>
            <div slot="tip" class="el-upload__tip">只能上传指定类型的图片</div>
          </el-upload>
        </el-form-item>
        <el-form-item label="文章标签">
          <el-input v-model="saveForm.articleTag" auto-complete="off"></el-input>
        </el-form-item>
        <!--
          下拉框数据显示机制：v-for="item in options" 和 :label="item.typeName"【显示每一个对象的typeName属性值】
          修改时下拉框回显机制：
            先定位：先通过v-model="saveForm.articleType"【7】 与 v-for="item in options"中每个item对象进行匹配，找到回显的对象
            再回显：再考:label="item.typeName" 回显对象的那一个属性值
          点击提交按钮提交数据的传值机制：:value="item.id"与 v-model="saveForm.articleType"进行传值
            当选中某一个选项时，会把当前对象的id【:value="item.id"】  自动传递给【saveForm.articleType】
        -->
        <el-form-item label="文章类型">
          <el-select v-model="saveForm.articleType" placeholder="请选择">
            <el-option
                v-for="item in options"
                :label="item.typeName"
                :value="item.id">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="文章状态">
          <el-radio-group v-model="saveForm.articleState">
            <el-radio :label="0">草稿</el-radio>
            <el-radio :label="1">发布</el-radio>
            <el-radio :label="2">弃用</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="是否置顶">
          <el-radio-group v-model="saveForm.topState">
            <el-radio :label="1">置顶</el-radio>
            <el-radio :label="0">不置顶</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="文章简介">
          <el-input type="textarea" v-model="saveForm.articleRemark" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="文章内容" prop="articleContent">
          <div class="edit_container">
            <quill-editor v-model="saveForm.articleContent" :options="quillOption">
            </quill-editor>
          </div>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click.native="saveFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="saveSubmit">提交</el-button>
      </div>
    </el-dialog>
  </section>
</template>

<script>
//引入Vue的ueditor的资源
import {quillEditor} from "vue-quill-editor"; //调用编辑器
import 'quill/dist/quill.core.css';
import 'quill/dist/quill.snow.css';
import 'quill/dist/quill.bubble.css';
import quillConfig from '../../common/js/quill-config'
// 工具栏配置
const toolbarOptions = [
  ["bold", "italic", "underline", "strike"], // 加粗 斜体 下划线 删除线 -----['bold', 'italic', 'underline', 'strike']
  ["blockquote", "code-block"], // 引用  代码块-----['blockquote', 'code-block']
  [{header: 1}, {header: 2}], // 1、2 级标题-----[{ header: 1 }, { header: 2 }]
  [{list: "ordered"}, {list: "bullet"}], // 有序、无序列表-----[{ list: 'ordered' }, { list: 'bullet' }]
  [{script: "sub"}, {script: "super"}], // 上标/下标-----[{ script: 'sub' }, { script: 'super' }]
  [{indent: "-1"}, {indent: "+1"}], // 缩进-----[{ indent: '-1' }, { indent: '+1' }]
  [{direction: "rtl"}], // 文本方向-----[{'direction': 'rtl'}]
  [{size: ["small", false, "large", "huge"]}], // 字体大小-----[{ size: ['small', false, 'large', 'huge'] }]
  [{header: [1, 2, 3, 4, 5, 6, false]}], // 标题-----[{ header: [1, 2, 3, 4, 5, 6, false] }]
  [{color: []}, {background: []}], // 字体颜色、字体背景颜色-----[{ color: [] }, { background: [] }]
  [{font: []}], // 字体种类-----[{ font: [] }]
  [{align: []}], // 对齐方式-----[{ align: [] }]
  ["clean"], // 清除文本格式-----['clean']
  ["image", "link"] // 链接、图片、视频-----['link', 'image', 'video']
];
export default {
  components: {
    quillEditor
  },
  data() {
    return {
      //1.分页查询相关数据
      totals: 0,//总记录条数
      currentPage: 1,//当前页,要传递到后台的
      pageSize: 5, //每页显示多少条

      tableDatas: [], //当前页数据
      listLoading: false, //加载圈

      //2.高级查询相关数据
      keyword: '',

      //3.删除相关数据

      //4.批量删除相关数据
      sels: [], //存储多选记录

      //5.添加和修改相关数据
      saveFormVisible: false,
      saveForm: {
        id: null,
        articlePic: '',
        articleName: '',
        articleTag: '',
        articleType: '',
        articleState: 1,
        topState: 0,
        articleRemark: '',
        articleContent: ''
      },

      //6.添加和修改校验规则-表单项校验
      saveFormRules: {
        articleName: [
          {required: true, message: '请输入文章名称', trigger: 'blur'}
        ],
        articleContent: [
          {required: true, message: '请输入文章内容', trigger: 'blur'}
        ],
      },

      //7.保存所有的文章类型
      options: [],

      //8.富文本编辑器配置
      editorOption: {
        modules: {
          //工具栏定义的
          toolbar: toolbarOptions
        },
        //主题
        theme: "snow",
        placeholder: "请开始书写您的博客内容..."
      },

      quillOption: quillConfig,

      //9.文件列表
      fileList: []

    }
  },
  methods: {
    //1.分页查询相关方法
    //1.1.获取列表数据
    getTableData() {
      //显示加载圈
      this.listLoading = true;
      var params = {
        "currentPage": this.currentPage,
        "pageSize": this.pageSize,
        'keyword': this.keyword
      }
      this.$http.post("/article", params).then(res => {
        //res.data是axios获取数据的固定格式。list和total是后端响应的数据-PageInfo中
        this.tableDatas = res.data.list;
        this.totals = res.data.total;
        //关闭加载圈
        this.listLoading = false;
      })
    },
    //1.2.选择第几页时触发
    handleCurrentChange(currentPage) {
      this.currentPage = currentPage;//1 - 2
      this.getTableData();
    },
    //1.3.选择每页显示记录条数时触发
    handleSizeChange(pageSize) {
      this.pageSize = pageSize; //5 - 10
      this.getTableData();
    },

    //2.高级查询相关方法
    keywordQuery() {
      this.getTableData();
    },

    //3.删除相关方法
    handleDel(row) {
      this.$confirm('确定要删除当前数据吗?', '提示', {
        type: 'warning'
      }).then(() => {//点击确认框的确定执行then里面的代码
        this.$http.delete("/article/" + row.id).then(res => { //AjaxResult
          if (res.data.success) {
            this.$message.success("删除成功");
            this.getTableData();
          } else {
            this.$message.error("服务器异常【500】");
          }
        }).catch(res => {
          this.$message.error("网络异常【404,400】");
        })
      }).catch(() => { //点击确认框的取消邹catch，取消可以什么都不做
      });
    },

    //4.批量删除相关方法
    //4.1.选项改变时触发
    handleSelectionChange(val) {
      //val = 被选中的对象组成的数组
      this.sels = val;
    },
    //4.2.批量删除
    handlePatchDel() {
      this.$confirm('确定要删除选中数据吗?', '提示', {
        type: 'warning'
      }).then(() => {//点击确认框的确定执行then里面的代码
        let ids = this.sels.map(obj => obj.id);//[1,2,3]
        this.$http.patch("/article", ids).then(res => { //AjaxResult
          if (res.data.success) {
            this.$message.success("删除成功");
            this.getTableData();
          } else {
            this.$message.error("服务器异常【500】");
          }
        }).catch(res => {
          this.$message.error("网络异常【404,400】");
        })
      }).catch(() => { //点击确认框的取消邹catch，取消可以什么都不做
      });
    },

    //5.添加和修改相关方法
    //5.1.点击添加弹出对话框
    handleAdd() {
      //重置表单
      this.saveForm = {
        id: null,
        articlePic: '',
        articleName: '',
        articleTag: '',
        articleType: '',
        articleState: 1,
        topState: 0,
        articleRemark: '',
        articleContent: ''
      }
      //查询所有的文章类型 - 用于显示下拉框
      this.getTypes();

      //清空fileList和articlePic
      this.fileList=[];
      this.saveForm.articlePic='';

      //显示对话框
      this.saveFormVisible = true;
    },
    //5.2.点击修改弹出对话框
    handleEdit(row) {
      //回显：不能使用this.saveForm=row，因为两个引用指向一个对象，任何一个改了，另外一个也会改变
      this.saveForm = Object.assign({}, row);
      //Pic在数据库：http://60.204.187.34:9090/java1117/1708932861299.png
      this.fileList=[];
      if(this.saveForm.articlePic){
        this.fileList.push({'url':this.saveForm.articlePic})
      }

      //查询所有的文章类型 - 用于显示下拉框
      this.getTypes();
      //显示对话框
      this.saveFormVisible = true;
    },
    //5.3.提交表单数据操作数据库
    saveSubmit() {
      //所有表单项校验通过才能提交，只要有一个表单项校验不通过就不能提交
      this.$refs.saveForm.validate((valid) => {
        if (valid) {
          this.$http.put("/article", this.saveForm).then(res => {
            if (res.data.success) {
              this.$message.success("操作成功");
              this.saveFormVisible = false;
              this.getTableData();
            } else {
              this.$message.error(res.data.message);
            }
          }).catch(res => {
            this.$message.error("网络异常【404,400】");
          })
        } else {
          this.$message.error("表单校验失败");
        }
      })
    },

    //6.查询所有的文章类型
    getTypes() {
      this.$http.get("/articleType").then(res => {
        this.options = res.data;
      })
    },
    //删除之后的钩子
    handleRemove(file, fileList) {
      //点击删除的时候要获取文件名称，然后调用后端的删除接口
      console.log(file) //response: Object { success: true, message: "操作成功", obj: "1713176603690.gif" }
      var fileName = file.name;
      this.$http.delete("/minio/"+fileName).then(res=>{
        if(res.data.success){
          this.$message.success("删除成功");
          //清空fileList和articlePic
          this.fileList=[];
          this.saveForm.articlePic='';

        }else{
          this.$message.error("删除失败");
        }
      })
    },
    //上传成功之后的钩子
    handleSuccess(response, file, fileList) {
      //上传成功之后将文件名获取出来，拼接上minio的地址 给 articlePic复制
      var filePath =  "http://60.204.187.34:9090/java1210/"+response.obj;
      this.saveForm.articlePic = filePath;
      //维护fileList - 前端显示图片的
      if(this.saveForm.articlePic){
        this.fileList.push({'name':response.obj,'url':filePath})
      }
    },
    //超出个数之后的钩子
    exceed() {
      this.$message.error("最多只能上传一个文件")
    },
  },
  mounted() {
    this.getTableData();
  }
}

</script>

<style scoped></style>
